{"id":202,"date":"2020-08-01T06:02:21","date_gmt":"2020-08-01T06:02:21","guid":{"rendered":"https:\/\/networkarray.in\/mntpatches\/?page_id=202"},"modified":"2024-12-24T17:10:56","modified_gmt":"2024-12-24T17:10:56","slug":"linux-administration-i","status":"publish","type":"page","link":"https:\/\/devonixcloud.com\/?page_id=202","title":{"rendered":"RHCSA (Red Hat Certified System Administrator)"},"content":{"rendered":"<p><strong>Module 1: Introduction to Linux<\/strong><\/p>\n<ul>\n<li>Understanding Linux Distributions<\/li>\n<li>Key Features of Red Hat Enterprise Linux (RHEL)<\/li>\n<li>Navigating the Command Line Interface (CLI)<\/li>\n<li>Accessing Help (man, info, help)<\/li>\n<li>Understanding File System Hierarchy<\/li>\n<\/ul>\n<p><strong>Module 2: Essential Tools and File Management<\/strong><\/p>\n<ul>\n<li>Basic File Management Commands (ls, cp, mv, rm, touch, etc.)<\/li>\n<li>Viewing and Editing Files (cat, less, vim, nano)<\/li>\n<li>Managing File and Directory Permissions:<\/li>\n<li>Using chmod, chown, and chgrp<\/li>\n<li>Special Permissions: SUID, SGID, and Sticky Bit<\/li>\n<li>Using Wildcards and Regular Expressions<\/li>\n<li>Archiving and Compressing Files (tar, gzip, bzip2, zip)<\/li>\n<\/ul>\n<p><strong>Module 3: Users and Groups<\/strong><\/p>\n<ul>\n<li>Creating and Managing Users (useradd, passwd, usermod, userdel)<\/li>\n<li>Group Management (groupadd, gpasswd, groupmod, groupdel)<\/li>\n<li>Understanding \/etc\/passwd, \/etc\/shadow, and \/etc\/group<\/li>\n<li>Configuring User Password Aging<\/li>\n<li>Managing User Profiles (.bashrc, .bash_profile)<\/li>\n<\/ul>\n<p><strong>Module 4: Process Management<\/strong><\/p>\n<ul>\n<li>Understanding Linux Processes<\/li>\n<li>Managing Processes (ps, top, kill, jobs, bg, fg)<\/li>\n<li>Scheduling Tasks with cron and at<\/li>\n<li>Controlling Resource Usage with ulimit<\/li>\n<\/ul>\n<p><strong>Module 5: Package Management<\/strong><\/p>\n<ul>\n<li>Introduction to RPM and YUM\/DNF<\/li>\n<li>Installing, Updating, and Removing Software Packages<\/li>\n<li>Managing Software Repositories<\/li>\n<li>Querying and Verifying Packages (rpm -q, rpm -V)<\/li>\n<\/ul>\n<p><strong>Module 6: System Initialization and Boot Management<\/strong><\/p>\n<ul>\n<li>Understanding the Boot Process<\/li>\n<li>Managing GRUB2 Boot Loader<\/li>\n<li>Systemd Overview and Managing Units<\/li>\n<li>Managing Services (systemctl start\/stop\/status)<\/li>\n<li>Managing Targets (isolate, set-default)<\/li>\n<li>Configuring System Boot Targets<strong><br \/>\n<\/strong><\/li>\n<\/ul>\n<p><strong>Module 7: Disk and Storage Management<\/strong><\/p>\n<ul>\n<li>Partitioning Disks with fdisk and parted<\/li>\n<li>Managing File Systems:<\/li>\n<li>Creating and Mounting File Systems<\/li>\n<li>ext4, xfs, and vfat File Systems<\/li>\n<li>Logical Volume Manager (LVM):<\/li>\n<li>Creating Physical Volumes, Volume Groups, and Logical Volumes<\/li>\n<li>Resizing and Extending LVMs<\/li>\n<li>Managing Swap Space<strong><br \/>\n<\/strong><\/li>\n<\/ul>\n<p><strong>Module 8: Networking Essentials<\/strong><\/p>\n<ul>\n<li>Configuring Network Interfaces<\/li>\n<li>Managing Hostnames and \/etc\/hosts<\/li>\n<li>Configuring Static and Dynamic IP Addresses<\/li>\n<li>Managing DNS Resolution<\/li>\n<li>Troubleshooting Network Issues (ping, traceroute, netstat, ss)<strong><br \/>\n<\/strong><\/li>\n<\/ul>\n<p><strong>Module 9: Security and SELinux<\/strong><\/p>\n<ul>\n<li>Managing Firewalld Rules (firewall-cmd)<\/li>\n<li>Configuring SELinux:<\/li>\n<li>Modes: Enforcing, Permissive, and Disabled<\/li>\n<li>Managing SELinux Contexts and Labels<\/li>\n<li>Using semanage, restorecon, and chcon<\/li>\n<li>Secure Shell (SSH) Configuration and Management<strong><br \/>\n<\/strong><\/li>\n<\/ul>\n<p><strong>Module 10: System Monitoring and Logging<\/strong><\/p>\n<ul>\n<li>Viewing System Logs with journalctl<\/li>\n<li>Configuring and Managing Log Rotation<\/li>\n<li>Monitoring System Resources (free, df, du, vmstat, iostat)<\/li>\n<li>Analyzing Performance Bottlenecks (top, htop, sar)<\/li>\n<\/ul>\n<p><strong>Module 11: Managing Kernel Modules and Tuning<\/strong><\/p>\n<ul>\n<li>Understanding and Loading Kernel Modules (lsmod, modprobe, insmod, rmmod)<\/li>\n<li>Modifying Kernel Parameters with sysctl<strong><br \/>\n<\/strong><\/li>\n<\/ul>\n<p><strong>Module 12: Automation with Bash Scripting<\/strong><\/p>\n<ul>\n<li>Writing Basic Shell Scripts<\/li>\n<li>Using Conditional Statements and Loops<\/li>\n<li>Automating Administrative Tasks with Scripts<\/li>\n<li>Scheduling Scripts with Cron Jobs<strong><br \/>\n<\/strong><\/li>\n<\/ul>\n<p><strong>Module 13: Troubleshooting and Rescue<\/strong><\/p>\n<ul>\n<li>Diagnosing Boot Issues<\/li>\n<li>Accessing Emergency and Rescue Modes<\/li>\n<li>Recovering Root Password<\/li>\n<li>Troubleshooting Common File System and Network Issues<strong><br \/>\n<\/strong><\/li>\n<\/ul>\n<p><strong>Module 14: Exam Preparation<\/strong><\/p>\n<ul>\n<li>Understanding RHCSA Exam Objectives<\/li>\n<\/ul>\n<p>Tips for Time Management During the Exam<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Module 1: Introduction to Linux Understanding Linux Distributions Key Features of Red [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v14.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>RHCSA (Red Hat Certified System Administrator) - Linux Training Noida | Advanced Linux Training Noida | Corporate Training Noida | Online Linux Training Noida<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/devonixcloud.com\/?page_id=202\" 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